# Stack Trainer vs MemDeck

The clearest difference is review sentiment: MemDeck at 100% against Stack Trainer's 0%. MemDeck also leads on price (Free vs $3.99) and rating (5.0 vs 1.0). Stack Trainer's advantage is ads (none vs shown). On in-app purchases, device support and iOS requirement there is nothing between them.

MemDeck is free to download; Stack Trainer costs $3.99 up front. Stack Trainer sells 2 in-app purchases, starting at $1.99 per 3 months and MemDeck sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

MemDeck holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews point the same way: 0% of Stack Trainer's written reviews are positive against 100% of MemDeck's.

Stack Trainer ships an update every 3 months, MemDeck every 6 weeks. The most recent releases landed on September 20, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Stack Trainer | MemDeck |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/stack-trainer/id646458442/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/memdeck-speed-card-practice/id1512368764/reviews)** |
| Number of ratings | 1 | **3** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 6 MB | 4 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ralph Cos](https://appshunter.io/developer/573505028) | [Wataru Mera](https://appshunter.io/developer/1512368763) |

## What reviewers say

### Stack Trainer

[App page](https://appshunter.io/ios/app/stack-trainer/id646458442)

This app provides a realistic card deck experience for close-up magicians to train their memory of card stacks. It offers various challenge modes and filters to aid learning and practice, with a focus on a clean, distraction-free interface.

**Highlights:** Realistic card deck simulation, Multiple mnemonic training approaches, Customizable stack filters, Lorrayne's peg words integration, Interactive quick-touch analyzer, Display and whisper modes

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3 Months Subscription | $1.99 | per 3 months |
| Annual Subscription | $2.99 | per year |


### MemDeck

[App page](https://appshunter.io/ios/app/memdeck-speed-card-practice/id1512368764)

Practice card memorization with this app that shuffles decks and tests your recall. Track your progress and compete globally. Adjust deck size for all skill levels.

**Highlights:** Card shuffling and display, Memorization timing, Automatic answer checking, Results recording, Adjustable deck size, Global leaderboards

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | one-time |


## Frequently asked questions

### Is Stack Trainer free?

Stack Trainer costs $3.99, and also offers in-app purchases.

### Is MemDeck free?

MemDeck is free to download, with in-app purchases available.

### Which has better reviews, Stack Trainer or MemDeck?

MemDeck is rated higher. Stack Trainer averages 1.0 out of 5 from 1 ratings, while MemDeck averages 5.0 from 3 ratings.

### Do Stack Trainer or MemDeck have ads?

MemDeck shows ads; Stack Trainer does not.

### Which is updated more often, Stack Trainer or MemDeck?

Stack Trainer ships an update every 3 months, and MemDeck every 6 weeks. Most recently, Stack Trainer was updated on September 20, 2026 and MemDeck on September 25, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*